Add a basic test of generator.return(argument);
Add a basic test of generator.return(argument);

Jericho25/regenerator,rafaelstz/regenerator,juliocanares/regenerator,kittens/regenerator,liviuignat/regenerator,juliocanares/regenerator,RReverser/js-goto-transpiler,sebmck/regenerator,RReverser/js-goto-transpiler,kittens/regenerator,Jericho25/regenerator,sebmck/regenerator,facebook/regenerator,facebook/regenerator,facebook/regenerator,rafaelstz/regenerator,liviuignat/regenerator